12 of 12 Permanent Product Engineer Jobs in East London

Senior Product Engineer – HealthTech | London | Up to £110k + Equity Location: Central London (Hybrid, 3 days/week) Salary: £70,000–£110,000 (DOE) + Equity Tech Stack: Ruby, PHP, Python, C#, JavaScript Join a fast-growing HealthTech scaleup that’s already improved the lives of over 1 million patients through innovative fitness, tracking, and subscription-based solutions. … ll Do: Build and shape greenfield products in a fast-paced, agile environment Work across a flexible tech stack (language agnostic) Tackle complex problems with minimal specs Contribute to product direction and potentially lead projects What They’re Looking For: Startup/scaleup experience Strong backend or full-stack skills Self-starter mindset with problem-solving chops Bonus: Leadership More ❯

Full Stack Product Engineer (Stealth AI Startup) London, UK (On-site, 5 days/week) About the Role Join a small, high-performing product engineering team at an early-stage AI startup (currently in stealth). As the third engineer on a close-knit London-based platform team, you’ll play a pivotal role in building … and iterating on a powerful, user-facing platform from the ground up. This is an opportunity to help define the architecture and direction of a product with the potential to reshape how AI is deployed in complex business environments. We’re building technology around cutting-edge AI workflows that require deep technical ownership and creativity. What You’ll Do … Build end-to-end product features across the stack (frontend, backend, data) Work closely with founders and engineers to ship fast, iterate quickly, and influence product direction Solve novel technical challenges related to scaling, performance, and usability Contribute to a product that leverages AI in practical, real-world workflows You Might Be a Fit If You Have More ❯

Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven voice automation for regulated industries, helping companies reduce costs while meeting strict compliance standards. Founded by experienced engineers … and repeat startup founders, their team combines deep technical expertise with a fast-moving, execution-focused approach. Overview: We’re hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create … next-generation voice automation features. You’ll play a key role in building core product functionality, from low-latency backend services to real-time communications and third-party integrations. If you’re proactive, technically strong, and excited about building high-impact systems in a startup environment, this role is for you. Key Responsibilities: Communicate clearly, seek clarification when needed. More ❯

APIs. As an FCA-authorised challenger credit reference agency, we're transforming how consumer credit information is reported and shared between lenders. About the Role: We’re seeking a product focused full stack engineer, skilled in React and Go (junior to mid-level) to join our dynamic team. You will play a key role in designing, delivering, and More ❯

in search of the best people to join our ever-growing talented team. We’re spinning up a brand-new AI department and need a first-on-the-ground engineer who can turn wild LLM ideas into working demos overnight, teach everyone around you why automation matters, and have fun doing it. If you can ship Python or TypeScript More ❯

Senior Product Engineer Python, TypeScript, React, Next.js Health-Tech We have partnered with an exciting Health-Tech start-up to build out their Product Engineering team to support their recent series A raise & ambitious growth plans Why it’s exciting They’re tackling one of the most emotionally and financially challenging areas in healthcare: fertility. Their mission … to make starting a family more accessible, while also improving operational efficiency across the fertility care ecosystem. ⚙️Stack: Python, TypeScript, React, Next.js AWS About you... Experience as a Fullstack Product Engineer, ideally with some frontend experience too (nice to have) You've worked on a consumer product or love delving into user needs and bringing them to … life through code You’ve got strong experience with Python, TypeScript, React, AWS, PostgreSQL You want to join a small but mighty product-engineering team ✨ You want ship meaningful features with real customer impact, and contribute to shaping both product and technical direction The package £65,000–£90,000 + equity Private healthcare, fertility support/testing, enhanced More ❯

Founding Engineer – Stealth AI Startup | London | £100–200k Location : London (Onsite) Compensation : £100,000–£200,000 + meaningful equity Start date : Flexible, but ideally soon I'm hiring for a stealth-stage AI startup founded by two individuals who have worked at some of the biggest names in the space. Backed by deep technical roots and a bold vision … with AI, by teaching systems directly through human decision-making. They are a small team with less than 10 heads, and they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why this role … tech that’s pre-launch but already being used by early design partners. Truly novel approach : Building systems that learn from human behaviour rather than traditional fine-tuning. Deep product involvement : Ship fast, iterate constantly, and help define how AI will interface with the enterprise. If you're a Full Stack Product Engineer who thrives in fast More ❯

Role: Senior Product Engineer Salary range: £100,000 - £160,000 Location: 4-5 days on site, Kings Cross Tech stack: Flexible A mission-driven firm is hiring a Senior Product Engineer to help build the systems and tools that support a new wave of companies tackling humanity’s biggest challenges, from decarbonization and bioengineering to machine … and planetary health. They are a small team of technologists, operators, and scientists backing and building alongside deep tech startups at the earliest stages. You’ll be the fourth engineer on the team, with the opportunity to design and own core products and infrastructure from the ground up. This role blends product-minded engineering with startup-level autonomy. … changing companies scale faster and smarter. What you'll do: Architect, build, and maintain scalable internal and external-facing tools Collaborate directly with technical founders, scientists, and investors Drive product discovery with a mix of engineering insight and experimentation Lead technical design decisions and mentor junior team members over time Contribute to a long-term vision of enabling impact More ❯

We’re hiring a Full Stack Product Engineer (Python, React, Next.js, TypeScript, FastAPI, Postgres) to join the founding team of a London based , early stage startup publicly launching in a few months (they're currently in stealth mode ). Led by former heads of Palantir’s AI Engineering team , they're building a new type of platform to … saw as the biggest bottleneck to getting AI into production : teaching models what you actually want them to do. They’ve raised $6.5M in early funding , are deep in product build mode, and are looking for a curious, product-minded engineer to join as their third technical hire . What you’ll do Build core product … on-site in London (they genuinely enjoy working + lunching together) What we're looking for Experience at a startup that's scaled or been through funding rounds Strong product intuition and attention to detail with highly customer orientated focus Experienced integrating or building AI platforms/features Full stack experience on our stack (Python, React, Next.js, TypeScript, FastAPI More ❯

lives. Their all-in-one platform combines cutting-edge technology with world-class medical expertise to diagnose, treat, and support their users. They’re looking for a Senior Mobile Product Engineer (mobile) who’s not just a coder, but a builder, a thinker, and a doer. You will work on their Health & Fitness MOBILE APPLICATION that helps their … part of a growing company & great culture. They're very team orientated and collaborative and also heavily promote a sociable place to work/enjoy! What they need: A product-minded engineer who owns what they build – from idea to impact. Someone who spots UX issues and fixes them fast. A data-driven decision-maker who thrives in … and lifts others up. A full-stack problem-solver who’s not afraid to dive into backend or infra. Tech Requirements Mobile Engineering experience with React Native (5+ years) Product engineering experience Strong frontend skills, full-stack comfort (they are tech agnostic on the backend) TypeScript TDD React (a plus) You’ll Need: Product Mindset Lead features end More ❯

entire industry. We're We exist to give engineers superpowers. Our mission is to vastly accelerate hardware invention by building critical software infrastructure that accelerates foundational engineering processes. Our product, is a collaboration platform that helps teams to bring products to market faster by seamlessly integrating and synchronising their engineering models. ‍ About Engineering at Flow We care deeply about … world’s top hardware engineers (our users), understand how they work, their pains, and ship solutions to those pains You’ll know our customers, how they feel about the product, and what milestones they need to hit to get their own product(s) to market. You’ll know what our sales pipeline looks like, and what features matter …/when you don’t, you’re not afraid to say so - others probably don’t either Good communicator - clear, concise, courteous. 2+ year(s) experience as a Software engineer How we think How to Build an MVP (Michael Seibel) Code-first vs Product-first (Zach Lloyd) Simple Made Easy (Rich Hickey) (First 25mins) ️ Our Tech Stack Golang More ❯

for Founding Engineers who: Are deeply curious and passionate about building products users truly love Get frustrated when things don’t move fast enough Want their voice to shape product decisions, tech choices, and company culture Enjoy the freedom and challenge of working across the stack, from intuitive UX and robust API design to AI architectures and prompt engineering More ❯